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osu-lazer/osu.Game/Scoring/ScoreManager.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
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using System.Threading;
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using JetBrains.Annotations;
using Microsoft.EntityFrameworkCore;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Database;
using osu.Game.IO.Archives;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Game.Rulesets;
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using osu.Game.Rulesets.Scoring;
using osu.Game.Scoring.Legacy;
namespace osu.Game.Scoring
{
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public class ScoreManager : DownloadableArchiveModelManager<ScoreInfo, ScoreFileInfo>
{
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public override IEnumerable<string> HandledExtensions => new[] { ".osr" };
protected override string[] HashableFileTypes => new[] { ".osr" };
protected override string ImportFromStablePath => Path.Combine("Data", "r");
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private readonly RulesetStore rulesets;
private readonly Func<BeatmapManager> beatmaps;
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[CanBeNull]
private readonly Func<BeatmapDifficultyManager> difficulties;
[CanBeNull]
private readonly OsuConfigManager configManager;
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public ScoreManager(RulesetStore rulesets, Func<BeatmapManager> beatmaps, Storage storage, IAPIProvider api, IDatabaseContextFactory contextFactory, IIpcHost importHost = null,
Func<BeatmapDifficultyManager> difficulties = null, OsuConfigManager configManager = null)
: base(storage, contextFactory, api, new ScoreStore(contextFactory, storage), importHost)
{
this.rulesets = rulesets;
this.beatmaps = beatmaps;
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this.difficulties = difficulties;
this.configManager = configManager;
}
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protected override ScoreInfo CreateModel(ArchiveReader archive)
{
if (archive == null)
return null;
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using (var stream = archive.GetStream(archive.Filenames.First(f => f.EndsWith(".osr", StringComparison.OrdinalIgnoreCase))))
{
try
{
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return new DatabasedLegacyScoreDecoder(rulesets, beatmaps()).Parse(stream).ScoreInfo;
}
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catch (LegacyScoreDecoder.BeatmapNotFoundException e)
{
Logger.Log(e.Message, LoggingTarget.Information, LogLevel.Error);
return null;
}
}
}
protected override IEnumerable<string> GetStableImportPaths(Storage stableStorage)
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=> stableStorage.GetFiles(ImportFromStablePath).Where(p => HandledExtensions.Any(ext => Path.GetExtension(p)?.Equals(ext, StringComparison.OrdinalIgnoreCase) ?? false));
public Score GetScore(ScoreInfo score) => new LegacyDatabasedScore(score, rulesets, beatmaps(), Files.Store);
public List<ScoreInfo> GetAllUsableScores() => ModelStore.ConsumableItems.Where(s => !s.DeletePending).ToList();
public IEnumerable<ScoreInfo> QueryScores(Expression<Func<ScoreInfo, bool>> query) => ModelStore.ConsumableItems.AsNoTracking().Where(query);
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public ScoreInfo Query(Expression<Func<ScoreInfo, bool>> query) => ModelStore.ConsumableItems.AsNoTracking().FirstOrDefault(query);
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protected override ArchiveDownloadRequest<ScoreInfo> CreateDownloadRequest(ScoreInfo score, bool minimiseDownload) => new DownloadReplayRequest(score);
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protected override bool CheckLocalAvailability(ScoreInfo model, IQueryable<ScoreInfo> items)
=> base.CheckLocalAvailability(model, items)
|| (model.OnlineScoreID != null && items.Any(i => i.OnlineScoreID == model.OnlineScoreID));
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/// <summary>
/// Retrieves a bindable that represents the total score of a <see cref="ScoreInfo"/>.
/// </summary>
/// <remarks>
/// Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </remarks>
/// <param name="score">The <see cref="ScoreInfo"/> to retrieve the bindable for.</param>
/// <returns>The bindable containing the total score.</returns>
public Bindable<long> GetBindableTotalScore(ScoreInfo score)
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{
var bindable = new TotalScoreBindable(score, difficulties);
configManager?.BindWith(OsuSetting.ScoreDisplayMode, bindable.ScoringMode);
return bindable;
}
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/// <summary>
/// Retrieves a bindable that represents the formatted total score string of a <see cref="ScoreInfo"/>.
/// </summary>
/// <remarks>
/// Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </remarks>
/// <param name="score">The <see cref="ScoreInfo"/> to retrieve the bindable for.</param>
/// <returns>The bindable containing the formatted total score string.</returns>
public Bindable<string> GetBindableTotalScoreString(ScoreInfo score) => new TotalScoreStringBindable(GetBindableTotalScore(score));
/// <summary>
/// Provides the total score of a <see cref="ScoreInfo"/>. Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </summary>
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private class TotalScoreBindable : Bindable<long>
{
public readonly Bindable<ScoringMode> ScoringMode = new Bindable<ScoringMode>();
private readonly ScoreInfo score;
private readonly Func<BeatmapDifficultyManager> difficulties;
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/// <summary>
/// Creates a new <see cref="TotalScoreBindable"/>.
/// </summary>
/// <param name="score">The <see cref="ScoreInfo"/> to provide the total score of.</param>
/// <param name="difficulties">A function to retrieve the <see cref="BeatmapDifficultyManager"/>.</param>
public TotalScoreBindable(ScoreInfo score, Func<BeatmapDifficultyManager> difficulties)
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{
this.score = score;
this.difficulties = difficulties;
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ScoringMode.BindValueChanged(onScoringModeChanged, true);
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}
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private IBindable<StarDifficulty> difficultyBindable;
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private CancellationTokenSource difficultyCancellationSource;
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private void onScoringModeChanged(ValueChangedEvent<ScoringMode> mode)
{
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difficultyCancellationSource?.Cancel();
difficultyCancellationSource = null;
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if (score.Beatmap == null)
{
Value = score.TotalScore;
return;
}
int beatmapMaxCombo;
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if (score.IsLegacyScore)
{
// This score is guaranteed to be an osu!stable score.
// The combo must be determined through either the beatmap's max combo value or the difficulty calculator, as lazer's scoring has changed and the score statistics cannot be used.
if (score.Beatmap.MaxCombo == null)
{
if (score.Beatmap.ID == 0 || difficulties == null)
{
// We don't have enough information (max combo) to compute the score, so use the provided score.
Value = score.TotalScore;
return;
}
// We can compute the max combo locally after the async beatmap difficulty computation.
difficultyBindable = difficulties().GetBindableDifficulty(score.Beatmap, score.Ruleset, score.Mods, (difficultyCancellationSource = new CancellationTokenSource()).Token);
difficultyBindable.BindValueChanged(d => updateScore(d.NewValue.MaxCombo), true);
return;
}
beatmapMaxCombo = score.Beatmap.MaxCombo.Value;
}
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else
{
// This score is guaranteed to be an osu!lazer score.
// The combo must be determined through the score's statistics, as both the beatmap's max combo and the difficulty calculator will provide osu!stable combo values.
beatmapMaxCombo = Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Where(r => r.AffectsCombo()).Select(r => score.Statistics.GetOrDefault(r)).Sum();
}
updateScore(beatmapMaxCombo);
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}
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private void updateScore(int beatmapMaxCombo)
{
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if (beatmapMaxCombo == 0)
{
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Value = 0;
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return;
}
var ruleset = score.Ruleset.CreateInstance();
var scoreProcessor = ruleset.CreateScoreProcessor();
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scoreProcessor.Mods.Value = score.Mods;
Value = (long)Math.Round(scoreProcessor.GetScore(ScoringMode.Value, beatmapMaxCombo, score.Accuracy, (double)score.MaxCombo / beatmapMaxCombo, score.Statistics));
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}
}
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/// <summary>
/// Provides the total score of a <see cref="ScoreInfo"/> as a formatted string. Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </summary>
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private class TotalScoreStringBindable : Bindable<string>
{
// ReSharper disable once PrivateFieldCanBeConvertedToLocalVariable (need to hold a reference)
private readonly IBindable<long> totalScore;
public TotalScoreStringBindable(IBindable<long> totalScore)
{
this.totalScore = totalScore;
this.totalScore.BindValueChanged(v => Value = v.NewValue.ToString("N0"), true);
}
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}
}
}